To sign up for paperless billing with Westar Energy Inc, customers typically need to access their online account. First, they should visit the official website and log in to their account using their credentials. Once logged in, there is usually an option for billing preferences or account settings. Within this section, customers can find the option to enroll in paperless billing. By selecting this option, they can opt to receive their bills electronically instead of via traditional mail. It is important for customers to provide a valid email address to ensure they receive notifications and electronic copies of their bills. Additionally, many customers find it helpful to review any terms and conditions associated with paperless billing during the sign-up process. For specific instructions or details, it may be useful to look on the Westar Energy website for relevant information.